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Finding the Fourth Proportional to 162,510.80, 243,766.20 and 147,995.60

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Solution

The fourth proportional to 162,510.80, 243,766.20 and 147,995.60 is: 221,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,510.80 : 243,766.20 = 147,995.60 : x
  2. Step 2: Convert to fraction form
    162,510.80/243,766.20 = 147,995.60/x
  3. Step 3: Cross multiply
    162,510.80x = 243,766.20 × 147,995.60
  4. Step 4: Simplify right side
    162,510.80x = 36,076,325,028.72
  5. Step 5: Solve for x
    x = 36,076,325,028.72/162,510.80
  6. Step 6: Final answer
    x = 221,993.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.